#233F6A#233F6A

#233F6A is a dark, moderate blue. Relative luminance 0.050; OKLCH L 36.9% C 0.082 H 258.7°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX#233F6A
RGBrgb(35, 63, 106)
HSLhsl(216, 50%, 28%)
HSVhsv(216, 67%, 42%)
CMYKcmyk(67%, 40.6%, 0%, 58.4%)
CIE-LABlab(26.60, 4.62, -28.27)
CIE-LCHlch(26.60, 28.64, 279.27°)
OKLaboklab(36.85% -0.016 -0.0803)
OKLCHoklch(36.85% 0.082 258.7)
XYZxyz(5.0712, 4.9525, 14.3215)
Luminance0.0495 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233F6A #6A4E23
analogous
#23636A #233F6A #2A236A
triadic
#233F6A #6A233F #3F6A23
tetradic
#233F6A #6A2363 #6A4E23 #236A2A
square
#233F6A #6A2363 #6A4E23 #236A2A
split-complementary
#233F6A #6A2A23 #636A23
monochromatic
#080E17 #14243C #233F6A #325A98 #4677C2

Accessibility & contrast

On white

10.55
#233F6A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#233F6A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F6A
10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233F6A#FFFFFF#000000##FFFFFF
##233F6A1.0010.551.9910.55
#FFFFFF10.551.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C436C
Deuteranopia (green-blind)
#223C69
Tritanopia (blue-blind)
#00494F
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #233f6a;
/* rgb */ color: rgb(35, 63, 106);
/* oklch */ color: oklch(36.9% 0.082 258.7);
Tailwind
colors: {
  custom: {
    50: '#667395',
    500: '#233f6a',
    950: '#000000',
  },
}
SCSS
$custom: #233f6a;
$custom-light: #667395;
$custom-dark: #000000;
JSON
{
  "hex": "#233f6a",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 106
  },
  "hsl": {
    "h": 216.338,
    "s": 50.355,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36851,
    "c": 0.0819,
    "h": 258.7
  },
  "luminance": 0.04953
}

Semantic roles & 50–950 ramp

primary
#233F6A
secondary
#9D7D4B
accent
#A34EDA
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#06080D
muted
#7A7B7E

Preview Lab

Preview with #233F6A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#233F6A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva